code: def colorsrc(self, val):
      self["colorsrc"] = val
  
file_path: plotly.py/packages/python/plotly/plotly/graph_objs/histogram2d/_marker.py
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 4 for calling the Marker obj's underlying member method code with example usage: obj.colorsrc(val) without return types